CAT Practice Question and Answer

Q: Manisha went to shop with certain amount, with which she can buy 50 Chacobar or 40 Fivestar. She uses 10% amount for petrol and out of the remaining balance, she purchases 20 Fivestar and some Chacobar. Find the number of Chacobar she can buy? 1488 0

  • 1
    20
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    26
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 1. "20"
Explanation :

Answer: A) 20 Explanation: Let the total amount be 200 {L.C.M of 40 and 50} Chacobar C.P. = 200/50 = 4 Fivestar C.P = 200/40 = 5 Remaining Money after petrol = [200 - 200×10%] = 180 Remaining money after buying fivestars = [180 - 20×5] = 80 So number of Chacobar she can buy = 80/4 = 20

Q: Two letters are randomly chosen from the word TIME. Find the probability that the letters are T and M? 1487 0

  • 1
    1/4
    Correct
    Wrong
  • 2
    1/6
    Correct
    Wrong
  • 3
    1/8
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 2. "1/6"
Explanation :

Answer: B) 1/6 Explanation: Required probability is given by P(E) = n(E)n(S) = 14C2 = 16

Q: What looks back but cannot see? 1487 0

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Answer :
Explanation :

Reflection is what which looks back but can't see.

Q: Which color has the highest frequency? 1486 0

  • 1
    Violet
    Correct
    Wrong
  • 2
    Red
    Correct
    Wrong
  • 3
    Indigo
    Correct
    Wrong
  • 4
    Green
    Correct
    Wrong
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Answer : 1. "Violet"
Explanation :

Answer: A) Violet Explanation: In VIBGYOR. It has colors ordered from highest to lowest frequency.                 Violet > Indigo > Blue > Green > Yellow > Orange > Red   That says Violet has the highest frequency. We know, Speed of light = Frequency x Wavelength => As frequeny is inversely proportional to wavelength i.e, as frequwncy goes high wavelength goes down.   So, the violet color has the highest frequency.

Q: What are the followers of buddhism called? 1486 0

  • 1
    Buddhists
    Correct
    Wrong
  • 2
    Parsis
    Correct
    Wrong
  • 3
    Noble Truths
    Correct
    Wrong
  • 4
    Bhikkhus
    Correct
    Wrong
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Answer : 1. "Buddhists"
Explanation :

Answer: A) Buddhists Explanation: Buddhism is the world's fourth-largest religion, with over 520 million followers or over 7% of the global population. People who practice Buddhism are called Buddhists.   Buddhists seek to reach a state of nirvana, following the path of the Buddha, Siddhartha Gautama, who went on a quest for Enlightenment around the sixth century BC. There is no belief in a personal god.

Q: 'Minamata' disease was caused by ? 1485 0

  • 1
    Lead
    Correct
    Wrong
  • 2
    Mercury
    Correct
    Wrong
  • 3
    Cadmium
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 2. "Mercury"
Explanation :

Answer: B) Mercury Explanation:

Q: The difference between the squares of two consecutive odd integers is always divisible by ? 1485 0

  • 1
    8
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    6
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 1. "8"
Explanation :

Answer: A) 8 Explanation: Let the two consecutive odd integers be (2x + 1) and (2x + 3)Then, (2x + 3)2 - (2x + 1)2 = (2x + 3 + 2x + 1) (2x + 3 - 2x - 1) = (4x + 4)(2)= 8 (x + 1), which is always divisible by 8

Q: What is the Capital of Namibia? 1485 0

  • 1
    Windhoek
    Correct
    Wrong
  • 2
    Mogadishu
    Correct
    Wrong
  • 3
    Utrecht
    Correct
    Wrong
  • 4
    Mombasa
    Correct
    Wrong
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Answer : 1. "Windhoek"
Explanation :

Answer: A) Windhoek Explanation: Windhoek is the Capital of Namibia.

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